DE69430961T2 - Elektrolichtbogenofen - Google Patents

Elektrolichtbogenofen

Info

Publication number
DE69430961T2
DE69430961T2 DE1994630961 DE69430961T DE69430961T2 DE 69430961 T2 DE69430961 T2 DE 69430961T2 DE 1994630961 DE1994630961 DE 1994630961 DE 69430961 T DE69430961 T DE 69430961T DE 69430961 T2 DE69430961 T2 DE 69430961T2
Authority
DE
Germany
Prior art keywords
electric arc
arc furnace
furnace
electric
arc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE1994630961
Other languages
English (en)
Other versions
DE69430961D1 (de
Inventor
Masaki Ogushi
Toru Iura
Osamu Takeuchi
Hironobu Yoshida
Ikuo Yamamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Corp
Original Assignee
IHI Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IHI Corp filed Critical IHI Corp
Publication of DE69430961D1 publication Critical patent/DE69430961D1/de
Application granted granted Critical
Publication of DE69430961T2 publication Critical patent/DE69430961T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/527—Charging of the electric furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/562—Manufacture of steel by other methods starting from scrap
    • C21C5/565—Preheating of scrap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/18—Arrangements of devices for charging
    • F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
    • F27B3/186—Charging in a vertical chamber adjacent to the melting chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F27B3/205—Burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/22—Arrangements of air or gas supply devices
    • F27B3/225—Oxygen blowing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
    • F27D13/002—Preheating scrap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0006—Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
    • F27D2019/0018—Monitoring the temperature of the atmosphere of the kiln
    • F27D2019/0021—Monitoring the temperature of the exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0068—Regulation involving a measured inflow of a particular gas in the enclosure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
DE1994630961 1993-09-30 1994-04-14 Elektrolichtbogenofen Expired - Lifetime DE69430961T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24483993 1993-09-30
JP32415893A JPH07145420A (ja) 1993-09-30 1993-12-22 電気アーク溶解炉

Publications (2)

Publication Number Publication Date
DE69430961D1 DE69430961D1 (de) 2002-08-14
DE69430961T2 true DE69430961T2 (de) 2003-03-27

Family

ID=26536928

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1994630961 Expired - Lifetime DE69430961T2 (de) 1993-09-30 1994-04-14 Elektrolichtbogenofen
DE1994622492 Expired - Lifetime DE69422492T2 (de) 1993-09-30 1994-04-14 Elektrischer lichtbogenofen mit kontrolliertem einblasen von sauerstoff

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1994622492 Expired - Lifetime DE69422492T2 (de) 1993-09-30 1994-04-14 Elektrischer lichtbogenofen mit kontrolliertem einblasen von sauerstoff

Country Status (11)

Country Link
US (2) US5590150A (de)
EP (2) EP0884545B1 (de)
JP (1) JPH07145420A (de)
KR (1) KR0163970B1 (de)
CN (2) CN1099573C (de)
AU (3) AU668821B2 (de)
CA (1) CA2135780C (de)
DE (2) DE69430961T2 (de)
ES (2) ES2176899T3 (de)
TW (1) TW263554B (de)
WO (1) WO1995009336A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011015211A1 (de) * 2011-03-25 2012-09-27 Kautz Vorrichtungsbau Gmbh Verfahren zum Betrieb eines Elektrolichtbogenofensystems und Elektrolichtbogenofensystem

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* Cited by examiner, † Cited by third party
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IT1280115B1 (it) * 1995-01-17 1998-01-05 Danieli Off Mecc Procedimento di fusione per forno elettrico ad arco con sorgenti alternative di energia e relativo forno elettrico ad arco
FR2735563B1 (fr) * 1995-06-19 1997-07-25 Air Liquide Procede de fusion d'une charge dans un four
US5822357A (en) * 1995-06-19 1998-10-13 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for melting a charge in a furnace
IT1299725B1 (it) 1998-01-23 2000-04-04 Danieli Off Mecc Procedimento di alimentazione per tubiere per forno elettrico e relativo dispostivo di alimentazione
US5943360A (en) * 1998-04-17 1999-08-24 Fuchs Systems, Inc. Electric arc furnace that uses post combustion
EP1114973A4 (de) * 1999-07-08 2004-12-29 Jp Steel Plantech Co Vorrichtung und verfahren zum lichtbogenschmelzen von kaltem roheisen
US6952446B1 (en) 2001-12-10 2005-10-04 The United States Of America As Represented By The Secretary Of The Air Force Digital filter bank followed by monobit receivers for signal processing
US6748004B2 (en) * 2002-07-25 2004-06-08 Air Liquide America, L.P. Methods and apparatus for improved energy efficient control of an electric arc furnace fume extraction system
RU2009110772A (ru) * 2006-08-25 2010-09-27 Линде, Инк. (Us) Нагнетание кислорода через крышу или свод стеклоплавильной печи
KR100799624B1 (ko) * 2007-04-09 2008-01-30 이광희 용해조 배출가스 연소장치
DE102008009923B4 (de) * 2008-02-18 2018-02-15 Sms Group Gmbh Verfahren zur Oxidation brennbarer Bestandteile im Abgas eines Lichtbogenofens
MX2011005635A (es) * 2009-02-03 2011-06-24 Siemens Ag Procedimiento y dispositivo para regural la salida de monoxido de carbono de un horno de arco electrico.
JP2011033217A (ja) * 2009-07-30 2011-02-17 Jp Steel Plantech Co アーク溶解設備及びアーク溶解設備を用いた溶湯の製造方法
EP2290310A1 (de) * 2009-07-31 2011-03-02 Siemens Aktiengesellschaft Verfahren zur dynamischen Regelung zumindest einer Einheit umfassend mindestens einen Brenner sowie Vorrichtung zur Durchführung des Verfahrens
US20120152057A1 (en) * 2009-08-27 2012-06-21 Jp Steel Plantech Co. Electric arc melting facility and method for producing molten metal by using the electric arc melting facility
KR101185211B1 (ko) * 2009-12-29 2012-09-21 현대제철 주식회사 전기로의 슬래그 배출 도어 장치
IT1401116B1 (it) * 2010-07-14 2013-07-12 Tenova Spa Sistema di carica continua ad un forno fusorio di materiale metallico preriscaldato in forma continua, potenziata e combinata.
CN101915504B (zh) * 2010-08-23 2012-04-25 董兰田 富氧底吹双口放锍倾斜熔炉
RU2478890C2 (ru) * 2011-02-21 2013-04-10 Мухтар Зуфарович Валитов Вытяжное устройство для улавливания неорганизованных выбросов от металлургического агрегата
KR101299096B1 (ko) * 2011-03-30 2013-08-28 현대제철 주식회사 래들로용 지붕
CN103033033B (zh) * 2012-12-31 2014-12-17 攀钢集团工程技术有限公司 一种钒制品熔化炉
KR101567866B1 (ko) * 2014-03-07 2015-11-10 주식회사 에스에이씨 전기 아크로 및 전기 아크로의 스크랩 예열 방법
JPWO2019064433A1 (ja) * 2017-09-28 2020-03-26 大陽日酸株式会社 溶解・精錬炉の操業方法及び溶解・精錬炉

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US3303257A (en) * 1963-02-08 1967-02-07 Tanabe Kakoki Co Apparatus for utilizing waste heat of gas generated from an electric smelting furnace
DE1804098A1 (de) * 1967-10-23 1969-07-03 Krupp Gmbh Verfahren und Vorrichtung zur Vorwaermung von Schrott fuer Lichtbogenoefen
DE1936649A1 (de) * 1968-08-22 1970-02-26 Krupp Gmbh Verfahren und Vorrichtung zur Optimierung der Sauerstoffzufuhr in Elektrolichtbogenoefen
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JPS5932525B2 (ja) * 1977-02-08 1984-08-09 石川島播磨重工業株式会社 電気炉製鋼法
NO152609C (no) * 1978-07-18 1989-05-03 Japan Metals & Chem Co Ltd Fremgangsmaate og elektroovn for raffinering av ferrosilicium.
JPS5647505A (en) * 1979-09-22 1981-04-30 Nippon Tungsten Co Ltd Mechanical sieal ring and preparation thereof
US4242532A (en) * 1979-12-21 1980-12-30 Ford Motor Company Method of controlling exhaust gas emissions from an electric arc furnace
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JPS59104419A (ja) * 1982-12-03 1984-06-16 Daido Steel Co Ltd ア−ク炉製鋼法
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US4646315A (en) * 1984-10-04 1987-02-24 Pennsylvania Engineering Corporation Arc furnace burner control method and apparatus
DE3629055A1 (de) * 1986-08-27 1988-03-03 Kloeckner Cra Tech Verfahren zum gesteigerten energieeinbringen in elektrolichtbogenoefen
JPS6393815A (ja) * 1986-10-08 1988-04-25 Daido Steel Co Ltd 溶解炉操業における助燃方法
DE3723783A1 (de) * 1987-07-16 1989-01-26 Mannesmann Ag Anlage zur verwertung der abgase eines elektro-schmelzofens fuer stahl
JPH0224290A (ja) * 1988-07-13 1990-01-26 Nkk Corp 低抵杭水中翼
CA2028108C (en) * 1989-03-02 1994-12-06 Joachim Ehle Melting aggregate with shaft for preheating charged materials
FI85912C (sv) * 1990-04-11 1992-06-10 Partek Ab Förfarande och anordning för styrning av råmaterialtillförseln till en elektrisk smältugn
FR2663723B1 (fr) * 1990-06-20 1995-07-28 Air Liquide Procede et installation de fusion d'une charge en four.
DE4209765C2 (de) * 1992-03-23 1994-11-03 Mannesmann Ag Verfahren und Vorrichtung zur Behandlung der Abgase eines Lichtbogenofens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011015211A1 (de) * 2011-03-25 2012-09-27 Kautz Vorrichtungsbau Gmbh Verfahren zum Betrieb eines Elektrolichtbogenofensystems und Elektrolichtbogenofensystem
DE102011015211B4 (de) * 2011-03-25 2014-01-30 Kautz Vorrichtungsbau Gmbh Verfahren zum Betrieb eines Elektrolichtbogenofensystems und Elektrolichtbogenofensystem

Also Published As

Publication number Publication date
AU686069B2 (en) 1998-01-29
AU1914397A (en) 1997-06-26
EP0671595A1 (de) 1995-09-13
CA2135780A1 (en) 1995-03-31
CN1109694A (zh) 1995-10-04
CN1232793C (zh) 2005-12-21
AU6512994A (en) 1995-04-18
DE69422492T2 (de) 2000-06-21
AU679653B2 (en) 1997-07-03
US5680413A (en) 1997-10-21
EP0671595B1 (de) 2000-01-05
TW263554B (de) 1995-11-21
EP0884545A1 (de) 1998-12-16
KR0163970B1 (ko) 1999-01-15
ES2176899T3 (es) 2002-12-01
EP0671595A4 (de) 1996-02-28
EP0884545B1 (de) 2002-07-10
US5590150A (en) 1996-12-31
JPH07145420A (ja) 1995-06-06
ES2141825T3 (es) 2000-04-01
AU668821B2 (en) 1996-05-16
CN1368630A (zh) 2002-09-11
CA2135780C (en) 1998-12-22
WO1995009336A1 (fr) 1995-04-06
AU4813096A (en) 1996-05-30
DE69430961D1 (de) 2002-08-14
CN1099573C (zh) 2003-01-22
DE69422492D1 (de) 2000-02-10

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition